Base64 Encode / Decode
Encode text and files to Base64 or decode back with full Unicode and URL-safe support, line-break control, and instant validation for developers offline.
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About the author
Written and maintained by the Tool4SaaS team. Every tool runs locally in your browser and is tested in-house for accuracy. Last updated: .
Frequently asked questions
No. Base64 is encoding, not encryption. Do not use it to protect secrets.
Yes. It handles Unicode and UTF-8 text correctly.
Yes, all processing happens locally in your browser and nothing is uploaded.
How to use Base64 Encode / Decode
- Paste input: Paste the text or Base64 string.
- Choose mode: Choose encode or decode.
- Copy output: Copy the output.